Bomb - Delivery

Delivery

The first air-dropped bombs were used by the Austrians in the 1849 siege of Venice. Two hundred unmanned balloons carried small bombs although few bombs actually hit the city.

The first bombing from a fixed-wing aircraft took place in 1911 when the Italians bombed the Turkish lines in what is now Libya, during the Italo-Turkish War. The bombs were dropped by hand.

The first large scale dropping of bombs took place during World War I starting in 1915 with the German Zeppelin Airship raids on London, England. One raid on the 8th of September 1915 dropped 4,000 lb (1,800 kg) of high explosives and incendiary bombs, including one bomb which weighed 600 lb (270 kg).

The first significant bombing in the United States took place nine years later at noon on September 16, 1920 when an explosives-laden horse-drawn wagon detonated on the lunchtime-crowded streets of New York's financial district. The Wall Street bombing employed many aspects of modern VNSA devices, such as cast-iron slugs added for shrapnel, in an attack that killed 38 and injured some 400 others.

Modern military bomber aircraft are designed around a large-capacity internal bomb bay while fighter bombers usually carry bombs externally on pylons or bomb racks, or on multiple ejection racks which enable mounting several bombs on a single pylon. Modern bombs, precision-guided munitions, may be guided after they leave an aircraft by remote control, or by autonomous guidance. When bombs such as nuclear weapons are mounted on a powered platform, they are called guided missiles.

Some bombs are equipped with a parachute, such as the World War II "parafrag", which was an 11 kg fragmentation bomb, the Vietnam-era daisy cutters, and the bomblets of some modern cluster bombs. Parachutes slow the bomb's descent, giving the dropping aircraft time to get to a safe distance from the explosion. This is especially important with airburst nuclear weapons, and in situations where the aircraft releases a bomb at low altitude.

A hand grenade is delivered by being thrown. Grenades can also be projected by other means, such as being launched from the muzzle of a rifle, as in the rifle grenade or using the M203 grenade launcher or by attaching a rocket to the explosive grenade as in a rocket-propelled grenade (RPG).

A bomb may also be positioned in advance and concealed.

A bomb destroying a rail track just before a train arrives causes a train to derail. Apart from the damage to vehicles and people, a bomb exploding in a transport network often also damages, and is sometimes mainly intended to damage that network. This applies for railways, bridges, runways, and ports, and to a lesser extent, depending on circumstances, to roads.

In the case of suicide bombing the bomb is often carried by the attacker on his or her body, or in a vehicle driven to the target.

The Blue Peacock nuclear mines, which were also termed "bombs", were planned to be positioned during wartime and be constructed such that, if they were disturbed, they would explode within ten seconds.

The explosion of a bomb may be triggered by a detonator or a fuse. Detonators are triggered by clocks, remote controls like cell phones or some kind of sensor, such as pressure (altitude), radar, vibration or contact. Detonators vary in ways they work, they can be electrical, fire fuze or blast initiated detonators and others,